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Finding the Fourth Proportional to 341.98, 472.25 and 292.57

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Solution

The fourth proportional to 341.98, 472.25 and 292.57 is: 404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.98 : 472.25 = 292.57 : x
  2. Step 2: Convert to fraction form
    341.98/472.25 = 292.57/x
  3. Step 3: Cross multiply
    341.98x = 472.25 × 292.57
  4. Step 4: Simplify right side
    341.98x = 138,166.18
  5. Step 5: Solve for x
    x = 138,166.18/341.98
  6. Step 6: Final answer
    x = 404.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.